A Hoop Rolls with Constant Velocity and Without Sliding Along

question 48

Multiple Choice

A hoop rolls with constant velocity and without sliding along level ground.Its rotational kinetic energy is:

• A)half its translational kinetic energy
• B)the same as its translational kinetic energy
• C)twice its translational kinetic energy
• D)four times its translational kinetic energy
• E)one-third its translational kinetic energy

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Definitions:

Level Of Significance

The probability of rejecting the null hypothesis in a statistical test when it is true; a measure of how stringent the test is.

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Level Of Significance

A threshold in hypothesis testing that determines the critical probability at which the null hypothesis is rejected.

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The number or demographic profile of people who read books.